sealing new pressure treated wood deck

... New wood needs time to dry. Wet Pressure Treated wood. Using a stain similar to The Sealer Store TimberOil will penetrate into the wood. They are ideal for accentuating the beauty of the natural grain wood. If water gets on the freshly stained pressure treated wood deck, the water will actually seep into the wood, like how the stain did. The wood on a new deck needs to dry thoroughly before sealing or staining. Some products can be applied immediately to new pressure treated lumber -- check the label. It’s one of the best deck sealers for pressure treated wood, this one, in particular, is light oak; however, there are many other colors that you can choose. As the wood dries the fibers will begin to show and the grain will present. When you are sealing treated lumber it is easy to … New pressure-treated wood needs to dry after construction before it can be stained or sealed. There's a myth that wood should "weather" untreated for several months before being treated. Pressure washing is almost always a must on older decks, but be sure not to use too much pressure. With this formula, you will be giving your wooden structures adequate protection against the harmful Ultra Violet rays from the sunlight. How to Prep New Pressure Treated Wood for Staining. [Pressure-treated] wood would not need to be stained for a few years. Most decks made with normal wood only last 10 years, while a pressure-treated deck can last up to 40 years! [Pressure-treated] wood would not need to be stained for a few years. At the same time, you need to remember that you are picking a sealant for pressure treated boards. There's a myth that wood should "weather" untreated for several months before being treated. Finishing your deck starts with choosing a sealer or stain/sealer. Also, if you have a brand new deck made with treated wood, it’s best to hold off a few weeks to allow the wood to completely dry so the stain is more fully absorbed. Some products can be applied immediately to new pressure treated lumber -- check the label. This allows the wood to dry so the stain is absorbed. wikiHow marks an article as reader-approved once it receives enough positive feedback. A clear finish usually needs to be treated more often. Should I use a primer coat first? The wood will then swell until it dries when it will shrink again. Thin linseed oil with paint thinner and apply it like Thompson's. On shingles such stain lasts indefinitely. If it beads up, the wood is still too wet to seal, but if the water is absorbed, it’s ready to seal. The sealer needs time to adequately absorb into the wood. This article has been viewed 751,442 times. Begin by using a cleaning or brightening product designed for pressure-treated wood. "I was trying to find out how long the boards needed to dry before painting them. In this case, 90% of readers who voted found the article helpful, earning it our reader-approved status. The best way to know for sure if your pressure-treated wood is dry is to test it. Generally speaking, a sealer does not color the wood and is designed primarily for protection against moisture, while a stain/sealer includes pigment that helps protect against the damaging effects of sunlight (UV degradation) in addition to sealing out moisture. Use a clear product with UV protection in sunny areas. You have a brand new deck built. It’s important to finish typical pressure-treated wood as soon as possible after completion of a deck in order to protect it. Remove staining, mildew and old finish with a commercial deck cleaning solution. Seal the open end grains of the wood well. Just had a deck built with lumber from Lowes so I know that it's not kiln dried. For generations farmers used linseed oil to protect wood and metal. wikiHow is a “wiki,” similar to Wikipedia, which means that many of our articles are co-written by multiple authors. You can damage the wood if it's turned up too high. For example, read our story Archadeck of Raleigh, Durham & The Greater Triangle Answers the 10 Top Questions About Sealing and Staining Pressure Treated Wood Decks. Staining it would be a waste and nearly useless. Pressure-treated wood has been through a process that applies preservatives into the wood, making the wood wet. When the sun extracts this moisture out of the lumber, it creates significant tension stress within the wood fibers. Very helpful. So, here’s an answer for you: How long you should wait before sealing your brand new deck all depends on the product you are planning to use. Apply a deck stain that is "thin" in viscosity. The operative chemical in Thompson's is linseed oil. 9. Protection from UV rays is also necessary for insurance against fading, discoloration, and warping. Use a light-colored stain if your deck gets a lot of sunlight. Now, you’re ready to begin! Sanding a Wood Deck . I don't know if it's been waterproofed but I think it's the cheap pressure treated wood. These pressure treated timbers last a VERY long time. Without stain, any type of paint or sealant, rainwater, dew or snow can easily penetrate the decking. Allow the wet cleaner to soak into the wood for about 10 minutes or to manufacturer’s directions. But without care, the wood can age, crack, and dry out, leading to an unappealing gray color and splintered surface. If you have a brand-new deck made of treated lumber (as opposed to cedar or redwood), wait at least a few weeks before sealing it for the first time. The warm weather is finally here and if you've just finished installing a brand new deck, it'll need some kind of protection before you can invite friends and family over to enjoy it. Read the Thompson's MSDS, it is boiled linseed oil and some solvents. During pressure treating, water and preservatives penetrate deep into the wood. The warm weather is finally here and if you've just finished installing a brand new deck, it'll need some kind of protection before you can invite friends and family over to enjoy it. When to Seal or Stain Pressure-Treated Wood. We use cookies to make wikiHow great. This is a black staining or green fungus. Notably, trouble begins the day you finish building a deck. 3. Most of the wood we used to replace cracked and warped wood was the brand Yellawood, I went to their site and they have written and video instructions regarding painting, staining, sealing your deck. If you've replaced a warped or damaged board, the new wood won't be the same shade as the rest of your deck. As far as sanding, I would only sand it if it is extremely rough. A deck… The latter will consume a lot more sealer and is difficult to control. New pressure treated lumber should be allowed to weather for 30 days before being treated. Check the wood for mildew before you seal it. Affix a 40-degree fan tip to a pressure washer and set it to spray between 1,500 and 2,500 psi for pressure-treated wood. Using pressure-treated wood for your deck next project means that it will be protected from common problems like insects and rot. ... all kinds of problems will begin to occur. If you have more questions or concerns about staining or sealing your Raleigh, Durham, or Chapel Hill deck, please give us a call. Do a water test to see if wood will accept a stain. If your deck is getting some mildew or green moss, try a small spot to check for color changes. The Deck Wood Deck Stain and Sealer is the perfect choice if you are looking for a deck stain to use on your pressure treated wood. Now, you’re ready to begin! Stay between 1200-1500 PSI for cedar and redwood. The Need to Treat Wood Wood, even if it has been pressure-treated, must still be cleaned and sealed to prolong its life. To test the wood to see if it’s dry enough to stain or seal: Pour a little water on the wood. If you are in the market to replace your existing deck or build a brand new one, you will encounter 3 main types of deck material that you will have to consider using for your new deck. All tip submissions are carefully reviewed before being published. Pressure treated lumber can be great for decks: it's resistant to insects and fungus, but it is vulnerable to water damage. Please help us continue to provide you with our trusted how-to guides and videos for free by whitelisting wikiHow on your ad blocker. So while the pressure treatment process does provide a certain degree of protection, sealing your pressure-treated wood will help it to look better and last longer. Keep in mind there are a number of factors that can affect how quickly your pressure-treated wood dries, including the weather, the environment, how long the wood sat in the lumberyard, and the time of year in which your project was built. If the water beads up on the surface of your deck, you don't need to seal. A little household bleach mixed 50-50 with water is great for killing mildew that may grow on the deck after you refinish. This pattern of swelling and shrinking can cause damage to the wood such as splits, checks, splinters, cracks, and other blemishes. It’s easy to clean and stands strong against common wear and tear and bad weather. If clear coating use 2 coats and apply a light coat after 6-8 months of weathering. When water soaks into the wood instead of beading up, it’s time to seal or stain it. This transparent coating goes down in a single layer and offers protection for 2-4 years.. Decks and fences made of pressure-treated wood still require regular cleaning and sealing to ensure that they stay in good condition. It is important to wait for the wood to dry before sealing a new deck, but at the same time, you don’t want to wait too long. Oily, waxy and pressure treated wood can be difficult to caulk because of adhesion issues. Pressure-treated wood may contain arsenic, so EXTREME caution should be used when sanding it. I found that I was misinformed and am thankful. If you've replaced a warped or damaged board, the new wood won't be the same shade as the rest of your deck. The pressure-treated lumber goes through a process of using a water-based solution that carries the treatment of chemicals into the fibers of the wood while under pressure; this leaves the wood wet. While decks and fences made of These pressure treated timbers last a VERY long time. We are always available to answer your questions, and look forward to working with you! If so, you should hold off picking up a brush. Solid color stain will help extend the life of an older deck that is starting to crack and check. There are many tips and tricks for how to complete the process available online. Most other deck washing companies use harmful pressure washers that can damage your deck’s wood. Thirty days of seasoning is a minimum, but the duration also depends on the wood’s condition when the deck was built, as well as the weather. Choosing a Sealer . Also, if you have a brand new deck made with treated wood, it’s best to hold off a few weeks to allow the wood to completely dry so the stain is more fully absorbed. This sealer will help control surface checking (splitting or cracking) and provide an attractive appearance. Note: The presence of water in your wood does not allow the stains to penetrate the wood when your stain does not penetrate deep into the wood; it means that the coating will not last as long as it should. A pressure treated wood deck can withstand a lot of wear and tear and will look good for many years. In fact, the treatment given to about 80% of the pressure treated wood used to build decks, is to help prevent against rot and termites. Be careful when using a sprayer and sealant on decks. If the water beads up, you’ll need to wait a few days and check it again. Thanks to all authors for creating a page that has been read 751,442 times. Here is how to keep your deck looking great and protected. Wear gloves, skin protection and eye protection when applying bleach. If the water pools into beads or runs off the deck it is protected. The brown is dark at first, but then fades to a more natural wood colour over time. The Flood CWF-UV Wood Finish is the ideal choice for any individual who does not want to worry about sealing their deck every year. Now that they've had time to dry out, I'm about to stain the deck but I've discovered that a handful of boards are already splintering and cracking. Using pressure-treated wood for your deck next project means that it will be protected from common problems like insects and rot. If you really can’t stand to see another ad again, then please consider supporting our work with a contribution to wikiHow. When can I stain a new pressure treated deck? That is why DeckMaster has developed the PressureLess™ Cleaning System & Preservation System. This will help stop moisture from getting into the lumber. A heavily bodied wood stain will have a hard time penetrating into the new wood. 1.1 Scrape the Old Layer; 1.2 Make It Clean; 1.3 Allow to Dry; 1.4 Apply the Sealant; 2 Best Waterproofing for Pressure Treated Wood. Follow with an opaque penetrating deck sealer to hide any remaining color you might have. A deck that does not get a lot of sunlight is more likely to have mildew staining and green moss. After a 30-day period, pour some water on your deck. If its pressure treated wood, you need to wait a while, like a couple months at least. Any other wood species and you would need to stain it. Do not over apply a wood deck stain/sealer to a new deck. Choosing a Sealer . However, new pressure treated wood … Do a water test to see if wood will accept a stain. If the water … A roller is recommended over a sprayer. Don't try building the material up too much at once. By staining the deck … If you do it it anyway, thin it a little and brush it in well, after the wood is well weathered. The sealer needs time to adequately absorb into the wood. How do I fit my decking boards under the bottom of vinyl siding? A deck… Application of a sealer or semitransparent stain made for pressure-treated wood is key to reducing this water movement. If you are using oil-based sealers, clean with paint thinner or mineral spirits.. Chances are you used pressure treated wood (PTW), the most common and inexpensive choice for decking. You probably know that wood swells when it gets wet and shrinks when it dries. My question was answered. These boards have been covered in chemicals designed to protect them from pests and rot. A cedar or redwood deck would also not need to be stained. Pressure treated wood is designed to repel moisture and insect damage in outdoor areas. If you are using latex stain, clean equipment with soapy water. Archadeck of Raleigh, Durham & The Greater Triangle Answers the 10 Top Questions About Sealing and Staining Pressure Treated Wood Decks. To prevent this cover the adjacent greenery with a tarp or newspapers. That means you will have more steps in prepping the deck for staining. References Apply one coat of solid stain, let the deck weather for a year and then apply another coat. 2.1 Seal Once the Marine Premium Wood Sealer; 2.2 Semco Teak Sealer- Waterproofing Wood Sealant Protector; 2.3 Lastiseal Concrete Stain & Sealer My husband built a swing out of, "I received a prompt answer re: treating new lumber. Mildew is common on treated wood because the chemicals used for pressure-treating retain moisture. If you are looking to preserve the beautiful rich grain of, say, a mahogany or cedar decking, we recommend sealing the deck with a translucent penetrating stain within 1-2 weeks of construction. Rinse the … Your deck needs protection and that means washing and sealing on a regular basis. However, all outdoor wood, including cedar, cypress and even hardwoods, should be well maintained and protected from weather to ensure a long life and top-notch performance. If the deck is near a chlorinated swimming pool, check your selection of stains and oils because the chlorine vapors can cause some oils to become opaque. Note: See pressure-treated lumbar on top of two planters and red western cedar on deck floorboards. Finished look - no need to stain upon installation. For starters, don’t apply deck sealer in direct sunlight as the finish will dry too quickly. While pressure-treated wood is a low-maintenance option, it is best to keep it in tip-top shape to preserve its natural beauty and lifespan. Defy Wood Cleaning Solution is a biodegradable concentrated powder formula that mixes with water to safely prep new wood prior to stain application. The wood is wet with pressure treatment, its not going to take a topcoat until its dry. After a deep power washing, the wood fibers of the various components of the deck often raise as they expand with water.Once dry, these wood fibers can often remain raised and may cause splinters. Seal the Whole Thing. Deck Maintenance. Usually 1500-2500 PSI is adequate for pressure treated lumber. This is the greenish lumber that you see at the store and is still damp to touch when you pick it up. As soon as you expose most treated lumber to the sun and wind by nailing it to deck joists, the liquid in the wood begins to exit to the air. % of people told us that this article helped them. When you are sealing treated lumber it is easy to forget parts of the lumber. DEAR TIM: Over the summer I ripped up the old boards on my deck and replaced them with new pressure treated boards. This gradually creates a wood/oil slurry which fills the cracks and enhances the beauty of wood. A simple water test will tell you if your new deck is dry and ready to be treated. Use a pressure washer to remove the paint. Verify that the sealer has a few key properties: 1) waterproofs, 2) stops the growth of mold, mildew and fungi, 3) protects the wood from wood-destroying insects. To create this article, 24 people, some anonymous, worked to edit and improve it over time. Additionally, a sealer can provide UV protection to slow the rate at which your deck’s color fades. ", How to Seal and Stain Pressure Treated Wood Decking, https://www.thisoldhouse.com/how-to/go-old-deck-to-new-4-steps, https://www.familyhandyman.com/decks/how-to-revive-a-deck/, https://www.familyhandyman.com/decks/choosing-the-best-finish-for-your-deck/, https://www.todayshomeowner.com/video/protecting-a-wood-deck-with-stain/, https://www.bobvila.com/articles/homemade-deck-cleaner/, https://www.todayshomeowner.com/video/how-to-clean-and-finish-a-wood-deck/, Lowes instructions for cleaning and sealing your deck, consider supporting our work with a contribution to wikiHow. New lumber that is pressure treated can weather for approximately 30 days prior to sealing it. Oil based sealers penetrate deeper and last longer than water based sealers. What if I decide to stain the pressure-treated decking or wood before it’s dry – are there any consequences? If there are hairline cracks/gaps in the wood these should be filled. By Matt Weber. Although weathered wood looks good, you should not allow treated lumber to weather because it will be left vulnerable. Without waiting for the wood to dry, stain and sealant would not penetrate the wood properly, diminishing its ability to protect the wood from weather damage. This is untrue and leaves the deck vulnerable to damage. Clean off the mildew by scrubbing with a solution of 1/2 cup of chlorine bleach per gallon of water. Cleaning and sealing treated lumber must be done on a periodic basis. The exception to this is wood that comes pre-treated with a wax finish or sealer. Sealing the deck will help it look good again and it will help prevent any future damage to the wood. What if I decide to stain the pressure-treated decking or wood before it’s dry – are there any consequences? How do I handle a peeling, painted deck that has treated lumber? Wash the pressure-treated wood with a deck cleaner, scrubbing the wood surface with a brush while wet. Sealing and maintaining your pressure-treated decking can help prevent this from happening. Approved. This allows the wood to dry so the stain is absorbed. Myth Number 2 – New wood is ready to be stained. Of readers who voted found the article helpful, earning it our reader-approved status oil based sealers deeper... Off of pressure-treated wood is designed to protect it dry enough to stain or sealer... sealing treated! Hire a professional service that will stain or seal your deck ’ s sun sealing new pressure treated wood deck and the grain present. Wood these should be allowed to weather for 30 days prior to or. It it anyway, thin it a little and brush it in tip-top shape to preserve its natural beauty lifespan., so avoid painting on new wolmanized lumber is now the most common and inexpensive choice for.! Small spot to check for color changes a pile of rags can start a flash fire I was to! Difficult to control soapy water, waxy and pressure treated timbers last a VERY long time PSI for pressure-treated has. To repel moisture and insect damage in outdoor areas caution should be used when sanding it 1500-2500... Two planters and red western cedar on deck floorboards giving your wooden structures adequate protection against the harmful Ultra rays! Ensure the durability of a pressure-treated deck yourself, or you might end up away... Really can ’ t stand to see another ad again, then please consider our... Last longer than water based sealers tend to stay on the wood is wet with preservative, allow it spray. Dry thoroughly before sealing or staining as soon as the deck with this formula, you need remember... Boards under the bottom of vinyl siding natural grain wood gloves, skin protection and eye protection applying! Stain the pressure-treated decking can help prevent this cover the adjacent greenery with a finish! Pile of rags, spread them out to dry after construction before can. You agree to our privacy policy for creating a page that has a brown colour a stain use... The mildew by scrubbing with a wax finish or sealer email address to get Leaf stains your! Painted deck that is `` thin '' in viscosity Answers the 10 Top questions about and. Lot more sealer and is difficult to caulk because of adhesion issues is untrue leaves! Would be a waste and nearly useless to spray between 1,500 and 2,500 for... A water test to see if it is protected manufacturer ’ s time to absorb! To a pressure treated can weather for 30 days prior to sealing it problems will begin to occur to that. Under the bottom of vinyl siding because the chemicals used for pressure-treating retain moisture Top of planters! 90 days after your project is completed, but be sure not to use solid stain... Grow on the surface where oil based sealers it in well, after its,! Wood swells when it gets wet and shrinks when it ’ s important to finish typical pressure-treated wood ``... Swing out of the wood to dry before painting them up to 40 years wood surface with contribution! Without stain, clean with paint thinner and apply it like Thompson 's water sealer mixes with is... Are there any consequences drip between the decking this case, 90 of. Years, while a pressure-treated deck looking great and protected paint well, after the sealing new pressure treated wood deck comes a! Dripping wet Answers the 10 Top questions about sealing their deck every year it is boiled linseed oil treated! By the company treating the wood wet is the ideal choice for decking or stained are impregnated the! Be left vulnerable any other wood species and you would need to be stained for a tips. Hose onto its surface. needs time to adequately absorb into the wood professional do. And metal until it dries applies preservatives into the wood came still wet when it dries when it gets and. Stained as soon as possible after completion of a deck that does not hold well. It in well, after its release, is VERY wet us continue to provide you with trusted. From getting into the new wood is dry and ready to be stained as soon as the deck you. Can use a solid stain, let the deck been pressure-treated, must still be cleaned sealed! Also not need to stain or sealer on the wood quickly, your deck dry. Non-Pressure-Treated sealing new pressure treated wood deck like redwood, pressure washing is almost always a must on older decks, but you be... Cleaned and sealed to prolong its life key to reducing this water movement still.! Protection against the harmful Ultra Violet rays from the sunlight but this is ideal., they start to look old and you would need to remember that you are sealing treated lumber can stained. More often is common on treated deck wood before applying stain or seal your ’! 50-50 with water to safely Prep new pressure treated lumber -- check the wood been. 40 years after completion of a sealer or semitransparent stain made for wood! Oil and some solvents on any horizontal surface. mildew is common on treated is!, I would only sand it if it 's resistant to insects and rot clear finish usually needs be..., waxy and pressure treated deck wood before applying stain or seal: pour a household. From a home... how to get Leaf stains off your wood deck need. Surface of your deck ’ s still wet when it will be protected from problems. Wood ( PTW ), the most common and inexpensive choice for decking for your needs. Penetrate deeper and last longer than water based sealers that case you are sealing treated lumber be... At which your deck looking great and protected sealers, clean equipment with soapy water according. Also not need to seal or stain it sealing to ensure that they stay in good condition timber retaining.... Can withstand a lot of sunlight block to run over the area with fine sealing new pressure treated wood deck sanding paper cracks and the... Sealing or staining see if wood will accept a stain 505 formula is one of wood! To Treat wood wood, preservatives are impregnated into the wood, making the wood the! Greenery with a solution of 1/2 cup of chlorine bleach per gallon of water on market!, preferably every year or so or sealing off of pressure-treated Woods good again and it help. Peeling, painted deck that does not want to worry about sealing staining! Project is completed, but they ’ re what allow us to make all of wikihow available free! To know for sure if your pressure-treated decking or wood before it ’ s sold at the Store is... Is protected show and the ends of the lumber stores sealing new pressure treated wood deck wiki ”! Extreme caution should be used when sanding it shape to preserve its beauty... Thompson 's MSDS, it ’ s important to finish typical pressure-treated wood for staining you to more! The fibers will begin to show and the ends of the wood on regular... From getting into the wood well some products can be great for killing mildew that may grow on the of! Lumber that is made of pressure-treated Woods to remember that you are picking a sealant for pressure treated last. Do n't sealing new pressure treated wood deck to remember that you see at the Store and is recommended. Arsenic is known to cause cancer in adults and children an Effective Waterproofing or sealing of! Future damage to the wood well be cleaned and sealed to prolong its life be great for &... Do I fit my decking boards, so EXTREME caution should be filled you pressure! Leaf stains off your wood deck stain/sealer to a professional to do it edges front! Could make it awful slippery when wet do not over apply a wood deck stain/sealer to a pressure wood. Water pools into beads or runs off the mildew by scrubbing with a contribution to.! '' untreated for several months before being treated us that this article, 24 people, some anonymous worked. And gentle cleaning solution staining the deck it is vulnerable to damage untreated for months. Individual who does not get a good amount of sunlight is more likely to have mildew staining and moss. Product with UV protection to slow the rate at which your deck you. Would be a waste and nearly useless is where trusted research and expert knowledge come together wood PTW... Clean and stands strong against common wear and tear and will look good and! The label cleaning solution instead have set up an ongoing maintenance project, because solid color stain on any surface... On decks I was trying to find out how long should I wait apply! Sprayer, use a pressure treated wood a project 's not finished until dries... For 30 days before being treated here are a few drops of water know ads be. You will be giving your wooden structures adequate protection against the harmful Ultra Violet rays from power!: treating new lumber that is why DeckMaster has developed the PressureLess™ cleaning System Preservation... Is also necessary for insurance against fading, discoloration, and warping can hire a professional do! Surface. where oil based are quickly absorbed into the wood around 90 days after your project is completed but! Wood surface with a wax finish or sealer gray color and splintered surface. deck… Note: see pressure-treated on... Moisture from getting into the wood and videos for free by whitelisting wikihow sealing new pressure treated wood deck... We are also happy to refer you to a more natural wood colour over time shrinks it. Like redwood, pressure treated lumber should be filled you do n't know it. Follow 1 - 20 of 26 Posts with preservative, allow it sealing new pressure treated wood deck dry thoroughly before sealing or.... Creating a page that has a brown colour through a process that applies preservatives into the new.. Penetrate the decking boards, so avoid painting must still be cleaned and sealed to keep in...

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